Unit 9. Undersea world

Arctic Ocean
Pacific Ocean
Atlantic Ocean
Indian Ocean
Arctic Ocean
Bắc Băng Dương
1
Pacific Ocean
Atlantic Ocean
Atlantic Ocean
Đại Tây Dương
Đại Tây Dương
3
3
Indian Ocean
Ấn Độ Dương
4
Southern Ocean –Antarctica Ocean
Nam Băng Dương
5
Tortoise
Seal
Shark
Jellyfish
Lesson 1: Reading
Before you read
While you read
After you read
I. Before you read
divide (into)
gulf (n)
bay (n)
challenge (v/n)
beneath (prep)
submarine (n)
investigate (v)
seabed (n)
marine life (np)
wide range of ...
independently (adv)
oversized (adj)
biodiversity (n)
be at stake = be at risk = be in danger
Vocabulary
II. While you read
Task 1
Fill each blank with one suitable words given. More words than needed
Gulf oversized biodiversity challenges investigate tiny samples provide
Some plants and animals are referred to as __________ organisms because they are extremely small.
Thanks to modern technology, scientists have been able to _________ the life of plants and animals that live under the sea.
A ________ is a large area of sea that is partly surrounded by land.
___________ is a term that refers to existence of different kinds of animals and plants which make a balanced environment.
These scientists have collected different _________ to analyze for their experiment.

tiny
investigate
gulf
biodiversity
samples
Task 2
Read and answer the following questions
1. What percentage of the earth’s surface is covered by seas and oceans?
2. How do scientists now overcome the challenges of the depth?
3. What can submarines do to help scientists know about the undersea world?
4. What can we learn from the satellite photos?
5. What are the three groups of marine plants and animals?
6. What would happen if the sea biodiversity were not maintained?
75%
They do that by using modern devices
They bring samples to the scientists to study
We can learn about the temperature, depth, and the marine population
They are : + the bottom depending + current independing + tiny organism
Marine life would be at stake/ at risk/ in danger
III. After you read
Complete the summary of the reading passage by filling each blank with a word or phrase given
Plants and animals discoveries huge closely connected
modern Three-quarters mysterious biodiversity
Though covering ____________ of the earth’s surface, the
ocean has remained ______________ to us until recently.
With _________ technology we have now made important
_____________ about the _____________ of marine life.
We have learnt that whether tiny or ___________, all the
____________ of the sea are _______________.

1
3
2
4
7
5
6
8
Three - quarters
mysterious
modern
discoveries
biodiversity
huge
Plants and animals
Closely connected